The past week was dominated by the paroxysm at Fuego volcano on 20 May and ongoing strong explosive activity at Shiveluch in Kamchatka. The new Smithsonian / USGS Weekly Volcanic Activity Report was published today and is summarized as follows:
-- New activity ---
Fuego (Guatemala): paroxysm on 20 May (lava fountains, lava flows and pyroclastic flows)
Marapi (West Sumatra, Indonesia): small ash eruption on 18 May
--- Ongoing activity ---
Batu Tara (Komba Island, Indonesia): occasional ash eruptions reaching 2-3 km altitude
Cleveland (Aleutians): no changes/activity detected, alert remains at ORANGE
Dukono (Halmahera, Indonesia): ongoing occasional ash eruptions reaching 2-3 km altitude
Karmysky (Kamchatka): occasional weak ash eruptions reaching 2 km altitude, thermal anomaly
Kilauea (Hawai'i): active lava lake in Halema'uma'u crater and eastern Pu'u 'O'o crater floor, active lava flows advancing on coastal plain reaching 750 m from coast
Popocatépetl (Mexico): ongoing ash and steam venting up to 1.5 km height, occasional explosions with bombs ejected up to 800 m distance
Sakurajima (Japan): powerful vulcanian explosions, ash plumes up to 4 km height, bombs landing up to 1.8 km distance, occasional pyroclastic flows
Santiaguito (Guatemala): moderate ash explosions, ash fall and occasional lahars
Shiveluch (Kamchatka): strong explosive activity, large ash plumes up to 8-9 km altitude
Tungurahua (Ecuador): steam and ash venting, occasional explosions causing ash fall, lahars
Volcano Discovery
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